diff --git a/src/components/magprog/common/MagProgLayout.js b/src/components/magprog/common/MagProgLayout.js
index 93a03bb..ad36ea3 100644
--- a/src/components/magprog/common/MagProgLayout.js
+++ b/src/components/magprog/common/MagProgLayout.js
@@ -10,7 +10,7 @@ const MagProgLayout = ({children}) => {
     const intl = useIntl();
     const lang = intl.locale;
     return (
-        <body>
+        <>
             <SEO lang={lang} title={intl.formatMessage({id: "title"})}/>
             <Helmet>
                 <meta name="viewport" content="width=device-width, initial-scale=1, user-scalable=no"/>
@@ -34,7 +34,7 @@ const MagProgLayout = ({children}) => {
                 </div>
             </footer>*/}
 
-        </body>
+        </>
     )
 }
 
diff --git a/src/components/navBar.js b/src/components/navBar.js
index f46ee1b..f9741a9 100644
--- a/src/components/navBar.js
+++ b/src/components/navBar.js
@@ -49,13 +49,14 @@ const NpmNavbar = () => {
                                 <Nav.Link as="span" eventKey="partners"><FormattedMessage
                                     id="header.partners"/></Nav.Link>
                             </Link>
+{/*
                             <Link to={`/${intl.locale}/magprog`} className="nav-item" activeClassName="active"
                                   partiallyActive={true}>
-                                {/* magprog */}
                                 <Nav.Link as="span" eventKey="magprog">
                                     <FormattedMessage id="header.magprog"/>
                                 </Nav.Link>
                             </Link>
+*/}
                         </Nav>
                         <Nav.Link eventKey="language" className="nav-item language">
                             <Language/>
diff --git a/src/components/templates/projectsTemplate.js b/src/components/templates/projectsTemplate.js
index fff12ff..0fb83d6 100644
--- a/src/components/templates/projectsTemplate.js
+++ b/src/components/templates/projectsTemplate.js
@@ -17,7 +17,7 @@ export default function Projects({projects, project_type}) {
                     const link = node.frontmatter.shortTitle;
                     const id = node.frontmatter.id;
                     return (
-                        <li><Link to={`/projects/${project_type}#${id}`}>{link}</Link></li>
+                        <li key={id}><Link to={`/projects/${project_type}#${id}`}>{link}</Link></li>
                     )
                 })}
             </ul>
@@ -26,7 +26,7 @@ export default function Projects({projects, project_type}) {
                 const title = node.frontmatter.title;
                 const id = node.frontmatter.id;
                 return (
-                    <div className="row" id={id}>
+                    <div className="row" id={id} key={id}>
                         <div className="col-lg-12">
                             <hr/>
                             <h2 id={id}>{title}</h2>
diff --git a/src/content/ru/projects/math/significance.md b/src/content/ru/projects/math/significance.md
index bb132bc..50d4b0e 100644
--- a/src/content/ru/projects/math/significance.md
+++ b/src/content/ru/projects/math/significance.md
@@ -8,13 +8,5 @@ order: 2
 published: true
 language: ru
 ---
-<table>
-    <tbody><tr><td>
-        <div className="col-lg-9">
-            <img src="/images/projects/math/gears_animated.gif" alt="Under construction...">
-        </div>
-    </td>
-    <td>
-        <div className="col-lg-8" align="center"><h3>Этот раздел дорабатывается...</h3></div>
-    </td>
-</tr></tbody></table>
\ No newline at end of file
+<img src="/images/projects/math/gears_animated.gif" alt="Under construction...">
+<h3>Этот раздел дорабатывается...</h3>
\ No newline at end of file
diff --git a/src/content/ru/projects/software/kmath.md b/src/content/ru/projects/software/kmath.md
index f1fee7b..e48bf3a 100644
--- a/src/content/ru/projects/software/kmath.md
+++ b/src/content/ru/projects/software/kmath.md
@@ -1,7 +1,7 @@
 ---
 content_type: project
 project_type: software
-id: dataforge
+id: kmath
 shortTitle: Kmath
 title: "Экспериментальная математическая библиотека на kotlin"
 order: 2
diff --git a/src/pages/about.js b/src/pages/about.js
index 07e4346..bcb2605 100644
--- a/src/pages/about.js
+++ b/src/pages/about.js
@@ -38,7 +38,7 @@ const AboutPage = ({data}) => {
                 const path = "../../images/members/"
                 if (photo === null)
                     return (
-                        <div>
+                        <div key={node.id}>
                             <hr/>
                             <div className="row">
                                 <div className="col-lg-2"/>
@@ -51,7 +51,7 @@ const AboutPage = ({data}) => {
                     )
                 else
                     return (
-                        <div>
+                        <div key={node.id}>
                             <hr/>
                             <div className="row">
                                 <div className="col-lg-2">
@@ -77,6 +77,7 @@ export const query = graphql`
             sort: {fields: frontmatter___order, order: ASC}) {
             edges{
                 node {
+                    id
                     html
                     frontmatter {
                         title
@@ -91,6 +92,7 @@ export const query = graphql`
             sort: {fields: frontmatter___order, order: ASC}) {
             edges{
                 node {
+                    id
                     html
                     frontmatter {
                         title
diff --git a/src/pages/index.js b/src/pages/index.js
index e0d8302..4aa0571 100644
--- a/src/pages/index.js
+++ b/src/pages/index.js
@@ -68,7 +68,7 @@ const IndexPage = ({data}) => {
                 const date = node.frontmatter.date;
                 const html = node.html;
                 return (
-                    <div className="card"
+                    <div className="card" key={node.id} id={node.id}
                          style={{marginBottom: `15px`, borderRadius: `0px`, boxShadow: `0 2px 2px #A2A2A2`}}>
                         <div className="card-body">
                             <h2 className="title">
@@ -92,6 +92,7 @@ export const query = graphql`
         {
             edges{
                 node{
+                    id
                     html
                     frontmatter {
                         date(formatString: "DD.MM.YYYY")
@@ -107,6 +108,7 @@ export const query = graphql`
         {
             edges{
                 node{
+                    id
                     html
                     frontmatter {
                         date(formatString: "DD.MM.YYYY")
diff --git a/src/pages/magprog/index.js b/src/pages/magprog/index.js
index b0e079a..73fc007 100644
--- a/src/pages/magprog/index.js
+++ b/src/pages/magprog/index.js
@@ -49,9 +49,7 @@ function team(edges) {
                         <div className="content">
                             <div className="inner">
                                 <h2>{name}</h2>
-                                <p>
-                                    {Parser(edge.node.html)}
-                                </p>
+                                {Parser(edge.node.html)}
                                 {/*
                             <ul className="actions">
                                 <li><a href="generic.html" className="button">Learn more</a></li>
